<html>
    <head>
        <title>Itowns - Displaying Shapefile</title>
        <meta charset="UTF-8">
        <link rel="stylesheet" type="text/css" href="css/example.css">
        <link rel="stylesheet" type="text/css" href="css/LoadingScreen.css">

        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.6/dat.gui.min.js"></script>
    </head>
    <body>
        <div id="viewerDiv"></div>
        <script src="js/GUI/GuiTools.js"></script>
        <script src="../dist/itowns.js"></script>
        <script src="js/GUI/LoadingScreen.js"></script>
        <script src="js/plugins/FeatureToolTip.js"></script>
        <script src="../dist/debug.js"></script>
        <script type="text/javascript">
            // Define initial camera position
            var placement = {
                coord: new itowns.Coordinates('EPSG:4326', 2.351323, 48.856712),
                range: 25000,
            }

            // `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
            var viewerDiv = document.getElementById('viewerDiv');

            // Instantiate iTowns GlobeView*
            var view = new itowns.GlobeView(viewerDiv, placement);
            var menuGlobe = new GuiTools('menuDiv', view);

            setupLoadingScreen(viewerDiv, view);
            FeatureToolTip.init(viewerDiv, view);

            // Add one imagery layer to the scene
            // This layer is defined in a json file but it could be defined as a plain js
            // object. See Layer* for more info.
            itowns.Fetcher.json('./layers/JSONLayers/OPENSM.json').then(function _(config) {
                config.source = new itowns.TMSSource(config.source);
                var layer = new itowns.ColorLayer('OPENSM', config);
                view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe));
            });



            // As there is no Shapefile fetcher directly bundled within iTowns, we need to specify a method to fetch data.
            // We use here `multiple` fetcher, which can fetch multiple files within multiple formats.
            itowns.Fetcher.multiple(
                'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/shapefile/velib-disponibilite-en-temps-reel',
                {
                    // fetch all files whose name match the `url` parameter value, and whose format is either `shp`,
                    // `dbf`, `shx` or `prj`.
                    arrayBuffer: ['shp', 'dbf', 'shx'],
                    text: ['prj'],
                },
            ).then((fetched) => {
                // Once our Shapefile data is fetched, we can parse it by running itowns built-in Shapefile parser.
                return itowns.ShapefileParser.parse(fetched, {
                    // Options indicating how the features should be built from data.
                    out: {
                        // Specitfy the crs to convert the input coordinates to.
                        crs: view.tileLayer.extent.crs,
                    },
                });
            }).then((parsed) => {
                // We can then instantiate a FileSource, passing the parsed data,
                // and create a Layer bound to this source.
                const velibSource = new itowns.FileSource({ features: parsed });

                return view.addLayer(new itowns.ColorLayer('velib', {
                    source: velibSource,
                    style: {
                        zoom: { min: 10, max: 20 },
                        point: { color: 'white', line: 'green' },
                        text: {
                            field: '{name}\n(id: {station_id})',
                            size: 14,
                            haloColor: 'white',
                            haloWidth: 1,
                            font: ['monospace'],
                        }
                    },
                    addLabelLayer: true,
                }));
            }).then((layer => {
                // Finally, we generate tooltip for when the mouse hovers the data displayed within our created layer.
                FeatureToolTip.addLayer(layer, { filterAllProperties: false });
            }));

        </script>
    </body>
</html>
